Versions of Iowa Code 280.13C - Concussion and brain injury policies on LawServer 2023 Iowa Code 280.13C – Concussion and brain injury policies 2022 Iowa Code 280.13C – Concussion and brain injury policies 2020 Iowa Code 280.13C – Concussion and brain injury policies 2018 Iowa Code 280.13C – Brain injury policies 2016 Iowa Code 280.13C – Brain injury policies 2014 Iowa Code 280.13C – Brain injury policies.